CVE-2023-29552: Service Location Protocol (SLP) Denial-of-Service Vulnerability
In CISA’s Known Exploited Vulnerabilities catalog: Service Location Protocol (SLP) Denial-of-Service Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply mitigations per vendor instructions or disable SLP service or port 427/UDP on all systems running on untrusted networks, including those directly connected to the Internet.
Description
The Service Location Protocol (SLP, RFC 2608) allows an unauthenticated, remote attacker to register arbitrary services. This could allow the attacker to use spoofed UDP traffic to conduct a denial-of-service attack with a significant amplification factor.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
IETF: Service Location Protocol (SLP)
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- blogs.vmware.com/security/2023/04/vmware-response-to-cve-2023-29552-reflective-denial-… (opens in new tab)
- curesec.com/blog/article/CVE-2023-29552-Service-Location-Protocol-Denial-of-Servi… (opens in new tab)
- datatracker.ietf.org/doc/html/rfc2608 (opens in new tab)
- github.com/curesec/slpload (opens in new tab)
- security.netapp.com/advisory/ntap-20230426-0001/ (opens in new tab)
- www.bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-servic… (opens in new tab)
- www.cisa.gov/news-events/alerts/2023/04/25/abuse-service-location-protocol-may-lea… (opens in new tab)
- www.suse.com/support/kb/doc/ (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)